Outlook 2016 – Upgrade in Progress

Recently i faced some Outlook 2016 functionality issues. It became impossible to sent / receive email.

In Outlook 2016 options there was a message ‘Upgrade in progress’ This could be there for days without any change.
Some websites are saying that opening Outlook in /safe mode is resolving the issue, this was not the case for me.

The solution for me was:

start -> run -> regedit
go to HKEY_CLASSES_ROOT\Installer\Components\F1291BD604B860441AB89E60BDEE0F9C
right click -> permissions
‘add’ the current user or ‘everyone’ and give it READ permissions.

Open Outlook 2016 and all should work fine.

One thought on “Outlook 2016 – Upgrade in Progress

  1. tommy

    hi, I’am for china
    I encountered the same problem, I modified the regedit, but did not solve.in /safe mode invalid

    Can you give me more help? About this question

    is office365

    Reply

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